Lamp



FIG. 1 is a top, side perspective view of the lamp of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a rear view thereof.

The portions of the lamp shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 